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Author Question: Educators are interested in the variables that affect academic achievement. Which of the following ... (Read 142 times)

erika

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on: Jun 20, 2018
Educators are interested in the variables that affect academic achievement. Which of the following variables would require an ex post facto research design to assess its effect?
 
  a. Number of siblings in the home
  b. One-parent vs. two-parent home
  c. Parent(s) educational background
  d. Aptitude for academic work
  e. All of these are true.

Question 2

Identify the threats to internal validity illustrated in the examples below. Preschoolers who received treatment for stuttering during the year show a significant improvement in articulation.
 
  a. experimental mortality
  b. reactive effect of testing
  c. statistical regression
  d. maturation
  e. instrumentation


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Chelseyj.hasty

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Reply #1 on: Jun 20, 2018
Answer to Question 1

E

Answer to Question 2

D


erika

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Reply 2 on: Jun 20, 2018
Excellent

miss.ashley

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Reply 3 on: Yesterday
Gracias!

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